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Teach frame lowering to ignore debug values after the terminators.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123399 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-01-13 21:28:52 +00:00
parent 422578547e
commit 4f28c1c714
14 changed files with 42 additions and 24 deletions
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4
lib/Target/ARM/ARMFrameLowering.cpp
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@@ -297,7 +297,7 @@ void ARMFrameLowering::emitPrologue(MachineFunction &MF) const {
void ARMFrameLowering::emitEpilogue(MachineFunction &MF,
MachineBasicBlock &MBB) const {
MachineBasicBlock::iterator MBBI = prior(MBB.end());
MachineBasicBlock::iterator MBBI = MBB.getLastNonDebugInstr();
assert(MBBI->getDesc().isReturn() &&
"Can only insert epilog into returning blocks");
unsigned RetOpcode = MBBI->getOpcode();
@@ -378,7 +378,7 @@ void ARMFrameLowering::emitEpilogue(MachineFunction &MF,
if (RetOpcode == ARM::TCRETURNdi || RetOpcode == ARM::TCRETURNdiND ||
RetOpcode == ARM::TCRETURNri || RetOpcode == ARM::TCRETURNriND) {
// Tail call return: adjust the stack pointer and jump to callee.
MBBI = prior(MBB.end());
MBBI = MBB.getLastNonDebugInstr();
MachineOperand &JumpTarget = MBBI->getOperand(0);
// Jump to label or value in register.